99448622146449 has 27 divisors (see below), whose sum is σ = 143913441878427. Its totient is φ = 66176799948000.

The previous prime is 99448622146399. The next prime is 99448622146543. The reversal of 99448622146449 is 94464122684499.

The square root of 99448622146449 is 9972393.

It is a perfect power (a square), and thus also a powerful number.

99448622146449 is a `hidden beast` number, since 9 + 9 + 4 + 48 + 62 + 21 + 464 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 83589749564049 + 15858872582400 = 9142743^2 + 3982320^2 .

It is not a de Polignac number, because 99448622146449 - 2²⁷ = 99448487928721 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99448622146949) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 17980221814 + ... + 17980227344.

Almost surely, 2^{99448622146449} is an apocalyptic number.

99448622146449 is the 9972393-rd square number.

99448622146449 is the 4986197-th centered octagonal number.

It is an amenable number.

99448622146449 is a deficient number, since it is larger than the sum of its proper divisors (44464819731978).

99448622146449 is an frugal number, since it uses more digits than its factorization.

99448622146449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12270 (or 6135 counting only the distinct ones).

The product of its digits is 859963392, while the sum is 72.

The spelling of 99448622146449 in words is "ninety-nine trillion, four hundred forty-eight billion, six hundred twenty-two million, one hundred forty-six thousand, four hundred forty-nine".